This afternoon, the royal trio emerged from their flight from Wellington to commence the Australian leg of their royal tour in Sydney.

Kate wore a sunshine yellow sheath dress by London-based designer Roksanda Ilincic. No doubt the Duchess selected this colour to reflect the gold of Australia's national colours - green and gold. The dress is a modified version of the Roksanda Ilincic 'Ryedale' wool-crepe dress. The off-the-rack dress from the spring/summer 2014 collection features bell sleeves and has an exposed back zipper. It currently retails for £941.

Kate's bespoke version has the block colours reversed, with the yellow being the dominant hue. The sleeves have also been fitted and the neckline modified from round to square.